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| author | whitequark <whitequark@whitequark.org> | 2020-12-23 23:15:30 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-12-23 23:15:30 +0000 |
| commit | 8ef6b77dc366563410c88ec3687f777e74685377 (patch) | |
| tree | f6ef03305cfb344a0485f62818486e2a6b844af0 /frontends/ast | |
| parent | 832f6aa777558ccef3b06798d182372b5783c51f (diff) | |
| parent | 8206546c45d8fe74ac291a548fa372d1bd98f966 (diff) | |
| download | yosys-8ef6b77dc366563410c88ec3687f777e74685377.tar.gz yosys-8ef6b77dc366563410c88ec3687f777e74685377.tar.bz2 yosys-8ef6b77dc366563410c88ec3687f777e74685377.zip | |
Merge pull request #2476 from zachjs/const-arg-width
Fix constants bound to single bit arguments (fixes #2383)
Diffstat (limited to 'frontends/ast')
| -rw-r--r-- | frontends/ast/simplify.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index 8e205cb76..5fa4ac83b 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -3342,6 +3342,14 @@ skip_dynamic_range_lvalue_expansion:; wire->type = AST_LOCALPARAM; wire->attributes.erase(ID::nosync); wire->children.insert(wire->children.begin(), arg->clone()); + // args without a range implicitly have width 1 + if (wire->children.back()->type != AST_RANGE) { + AstNode* range = new AstNode(); + range->type = AST_RANGE; + wire->children.push_back(range); + range->children.push_back(mkconst_int(0, true)); + range->children.push_back(mkconst_int(0, true)); + } continue; } AstNode *wire_id = new AstNode(AST_IDENTIFIER); |